Home / 608,748.80-913,123.20-576,089.60

Finding the Fourth Proportional to 608,748.80, 913,123.20 and 576,089.60

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Solution

The fourth proportional to 608,748.80, 913,123.20 and 576,089.60 is: 864,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,748.80 : 913,123.20 = 576,089.60 : x
  2. Step 2: Convert to fraction form
    608,748.80/913,123.20 = 576,089.60/x
  3. Step 3: Cross multiply
    608,748.80x = 913,123.20 × 576,089.60
  4. Step 4: Simplify right side
    608,748.80x = 526,040,779,038.72
  5. Step 5: Solve for x
    x = 526,040,779,038.72/608,748.80
  6. Step 6: Final answer
    x = 864,134.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.